1.1 --- a/src/share/vm/opto/cfgnode.cpp Wed Sep 17 08:29:17 2008 -0700
1.2 +++ b/src/share/vm/opto/cfgnode.cpp Wed Sep 17 12:59:52 2008 -0700
1.3 @@ -1665,7 +1665,11 @@
1.4 // compress paths and change unreachable cycles to TOP
1.5 // If not, we can update the input infinitely along a MergeMem cycle
1.6 // Equivalent code is in MemNode::Ideal_common
1.7 - Node *m = phase->transform(n);
1.8 + Node *m = phase->transform(n);
1.9 + if (outcnt() == 0) { // Above transform() may kill us!
1.10 + progress = phase->C->top();
1.11 + break;
1.12 + }
1.13 // If tranformed to a MergeMem, get the desired slice
1.14 // Otherwise the returned node represents memory for every slice
1.15 Node *new_mem = (m->is_MergeMem()) ?
